Ictalurus lupus (Girard, 1858)
Headwater catfish
Headwater catfish
Ictalurus lupus
photo by Sneegas, G.W.

Family:  Ictaluridae (North American freshwater catfishes)
Max. size:  48 cm TL (male/unsexed); 32.8 cm TL (female)
Environment:  demersal
Distribution:  North America: USA to Rio Grande drainage including Pecos River system in southeast New Mexico and Devils River in southern Texas; also in northeastern Mexico.
Biology:  Inhabits sandy and rocky riffles, runs and pools of clear creeks and small rivers and also springs. Greatly resembles a small channel catfish, however, body lacks spots and the caudal fin is not deeply forked, the base of the anal fin is longer than the head length (see Ref. 3221).
IUCN Red List Status: Data deficient (DD); Date assessed: 09 January 2019 Ref. (123251)
Threat to humans:  harmless
Country info:  Type locality: Rio Pecos, Texas (Ref. 79012). Locally common (Ref. 5723). Status of threat: threatened; status declined since 1989. Criteria: 1,4 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).

Entered by: Froese, Rainer - 01.05.91
Modified by: Reyes, Rodolfo B. - 27.01.14
Checked by: Torres, Armi G. - 22.04.94

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